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28872885731750 = 253115491542927
BaseRepresentation
bin1101001000010011111100…
…00110010000000110100110
310210020012222001100110010222
412210021332012100012212
512241023132221404000
6141224004240444342
76036666011236004
oct644117606200646
9123205861313128
1028872885731750
119221a16310005
1232a39130196b2
1313159170b5388
1471b652c17a74
153510b3c20a85
hex1a427e1901a6

28872885731750 has 16 divisors (see below), whose sum is σ = 54050042090304. Its totient is φ = 11549154292600.

The previous prime is 28872885731743. The next prime is 28872885731773. The reversal of 28872885731750 is 5713758827882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57745771214 + ... + 57745771713.

It is an arithmetic number, because the mean of its divisors is an integer number (3378127630644).

Almost surely, 228872885731750 is an apocalyptic number.

28872885731750 is a deficient number, since it is larger than the sum of its proper divisors (25177156358554).

28872885731750 is a wasteful number, since it uses less digits than its factorization.

28872885731750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115491542944 (or 115491542934 counting only the distinct ones).

The product of its (nonzero) digits is 421478400, while the sum is 71.

The spelling of 28872885731750 in words is "twenty-eight trillion, eight hundred seventy-two billion, eight hundred eighty-five million, seven hundred thirty-one thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 115491542927 230983085854 577457714635 1154915429270 2887288573175 5774577146350 14436442865875 28872885731750